1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.security.auth;
24  
25  import com.liferay.portal.SystemException;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  import com.liferay.portal.kernel.servlet.HttpHeaders;
29  import com.liferay.portal.kernel.util.Validator;
30  import com.liferay.portal.model.User;
31  import com.liferay.portal.service.UserLocalServiceUtil;
32  import com.liferay.portal.util.PortalUtil;
33  
34  import javax.servlet.http.HttpServletRequest;
35  import javax.servlet.http.HttpServletResponse;
36  
37  /**
38   * <a href="RequestHeaderAutoLogin.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   * @author Wesley Gong
42   */
43  public class RequestHeaderAutoLogin extends CASAutoLogin {
44  
45      public String[] login(
46          HttpServletRequest request, HttpServletResponse response) {
47  
48          String[] credentials = null;
49  
50          try {
51              long companyId = PortalUtil.getCompanyId(request);
52  
53              String screenName = request.getHeader(
54                  HttpHeaders.LIFERAY_SCREEN_NAME);
55  
56              if (Validator.isNull(screenName)) {
57                  return credentials;
58              }
59  
60              User user = null;
61  
62              try {
63                  user = importLDAPUser(companyId, screenName);
64              }
65              catch (SystemException se) {
66              }
67  
68              if (user == null) {
69                  user = UserLocalServiceUtil.getUserByScreenName(
70                      companyId, screenName);
71              }
72  
73              credentials = new String[3];
74  
75              credentials[0] = String.valueOf(user.getUserId());
76              credentials[1] = user.getPassword();
77              credentials[2] = Boolean.TRUE.toString();
78  
79              return credentials;
80          }
81          catch (Exception e) {
82              _log.error(e, e);
83          }
84  
85          return credentials;
86      }
87  
88      private static Log _log =
89          LogFactoryUtil.getLog(RequestHeaderAutoLogin.class);
90  
91  }